Blog

Writing on agentic AI, blockchain, and AI systems architecture.

Technical writing by Mudassir Khan — agentic AI consultant and AI systems architect. New posts published directly on this site. Earlier writing on Dev.to.

RAG & AI Engineering

Production RAG pipelines, vector database selection, fine-tuning tradeoffs, and LLM governance.

Cover illustration for: JavaScript Programming: Complete Beginner Guide
AI Engineering15 min read

JavaScript Programming: Complete Beginner Guide

JavaScript is the language of the web and modern AI tooling. This guide covers variables, functions, loops, objects, async, and your first program.

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Cover illustration for: Production RAG: Why Retrieval Fails and How to Fix It
RAGAI Engineering11 min read

Production RAG: Why Retrieval Fails and How to Fix It

Most RAG failures happen at retrieval. This guide covers chunking, hybrid search, reranking, and RAGAS metrics for production RAG pipelines in 2026.

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Cover illustration for: Fine-Tuning vs RAG: The Decision Guide for Production
RAGLLMs9 min read

Fine-Tuning vs RAG: The Decision Guide for Production

RAG fixes knowledge gaps. Fine-tuning fixes behavior gaps. Here is the decision framework that actually helps in production, plus the 2026 hybrid standard.

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Cover illustration for: pgvector vs Pinecone vs Weaviate: How to Choose in 2026
RAGAI Engineering9 min read

pgvector vs Pinecone vs Weaviate: How to Choose in 2026

An AI architect's guide to choosing a vector database in 2026. Start on pgvector, migrate when you must. Here is when each option wins and what the performance numbers actually show.

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Cover illustration for: AI Governance Checklist for Production LLM Systems in 2026
AI SystemsAI Engineering9 min read

AI Governance Checklist for Production LLM Systems in 2026

EU AI Act full enforcement begins August 2026. This practical checklist covers the five governance layers every production LLM system needs — with ISO 42001 and EU AI Act mappings.

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More posts coming soon

A 30-post technical series on agentic AI architecture, LangGraph patterns, blockchain compliance engineering, and production AI systems is in progress. Follow on Dev.to or LinkedIn to be notified.

Blog — Agentic AI, Blockchain & AI Architecture Writing | Mudassir Khan